基于SD卡存储器的CAN-BUS信息记录仪设计

Design of the CAN-BUS Information Recorder Based on SD Memory Card

针对目前通用CAN-BUS设备不能满足某些特殊场合的需求的现状,介绍了一种新型的CAN-BUS信息记录仪的设计方案。方案中创造性地采用SD卡存储CAN-BUS数据的方式和某些具有针对性的硬件保护措施,保障CAN-BUS数据有效可靠地存储到记录仪中。经市场调研和初步实验成果表明,该信息记录仪设计方案可行,具有一定的实用性和推广价值。

The paper introduces a new design solution of CAN-BUS Information Recorder for the actuality about tradition CAN-BUS devices can＇t meet the requirement of several special occasions.A creative mode of saving CAN-BUS data whith SD card and some pertinence handware safeguards are adopted in the solution to ensure the CAN-BUS data is saved in the recorder effectively and reli-ably.The result of market research and preliminary experiment show that the design solution of CAN-BUS Information Recorder is fea-sible,practical and worthy of popularizing.